Mardeknius Click on your profile picture next to your username in the top right corner of your screen, once you click it, it should bring up 3 options, 1. Profile, 2. Settings, and 3. Log Out. Click 1. Profile. Once you click on your profile, you should see signature as the 8th and final option on the left hand side. Click Signature, and once you do this you can write your signature, and click the "Save Signature" button, and then you are good to go! Lmk if this doesn't work.